A toolbar can be horizontal or vertical. : ToolBar « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. ToolBar

ToolBar toolBar = new ToolBar(shell, SWT.HORIZONTAL);
ToolBar toolBar = new ToolBar(shell, SWT.VERTICAL);

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;

public class ToolBarVertical {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    ToolBar bar = new ToolBar(shell, SWT.BORDER|SWT.VERTICAL);
    for (int i = 0; i < 4; i++) {
      ToolItem item = new ToolItem(bar, 0);
      item.setText("Item " + i);
    }
    bar.pack();

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

17.64.ToolBar
	17.64.1.	ToolBar Constants
	17.64.2.	A toolbar can be horizontal or vertical.
	17.64.3.	Add Buttons to ToolBar
	17.64.4.	Add ToolItem to ToolBar
	17.64.5.	ToolBar: create tool bar with normal, hot and disabled images.
	17.64.6.	ToolBar: wrap on resize
	17.64.7.	Place a drop down menu in a tool bar
	17.64.8.	Add a combo box in a tool bar